[rules-users] KnowledgeAgent: impossible to add a map for a null resource! skiping.

[anikulin]

Hi 

I've configurated KnowledgeAgent like this and it was working with PKG files
from guvnor, but when i changed path and type of recources to DRL when i
trying to run it on server i have such warning in logs and KnowledgeBase is
empty and no rules are fired:

KnowledgeAgent: impossible to add a map for a null resource! skiping.

                 KnowledgeBase kbase =
KnowledgeBaseFactory.newKnowledgeBase();
		
		 ResourceChangeScannerConfiguration sconf = ResourceFactory
		 .getResourceChangeScannerService()
		 .newResourceChangeScannerConfiguration();
		 sconf.setProperty("drools.resource.scanner.interval",
		 scannerInterval);
		 ResourceFactory.getResourceChangeScannerService().configure(sconf);
		
		 KnowledgeAgentConfiguration aconf = KnowledgeAgentFactory
		 .newKnowledgeAgentConfiguration();
		 aconf.setProperty("drools.agent.scanDirectories", "true");
		 aconf.setProperty("drools.agent.scanResources", "true");
		 aconf.setProperty("drools.agent.newInstance", "true");
		 kagent = KnowledgeAgentFactory.newKnowledgeAgent("changeSetAgent",
		 kbase, aconf);
		 kagent.applyChangeSet(ResourceFactory
		 .newClassPathResource("ChangeSet.xml"));

But this warn I have only with server deploying, when i run this program
just as standalone java program everythink is ok and rules are firing.

My ChangeSet.xml looks like this:

<change-set xmlns='http://drools.org/drools-5.0/change-set'
	xmlns:xs='http://www.w3.org/2001/XMLSchema-instance'
	xs:schemaLocation='http://drools.org/drools-5.0/change-set
http://anonsvn.jboss.org/repos/labs/labs/jbossrules/trunk/drools-api/src/main/resources/change-set-1.0.0.xsd'>
	<add>
		<resource
			source='http://localhost:8083/drools-guvnor/rest/packages/magick/source'
			type='DRL' basicAuthentication="enabled" username="admin"
password="admin" />
	</add>
</change-set>


P.S. I have to change PKG type to DRL, cause drools ignore calendars clause
in compiled rules from guvnor.

Can you help me to solve this problem?

Thanks, Anton



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